diff --git a/sample-operators/leader-election/pom.xml b/sample-operators/leader-election/pom.xml
index ea18538d30..d4349cd388 100644
--- a/sample-operators/leader-election/pom.xml
+++ b/sample-operators/leader-election/pom.xml
@@ -81,7 +81,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.11.0</version>
+                <version>3.12.1</version>
             </plugin>
             <plugin>
                 <!-- Generate Java code from the custom resource definitions -->
diff --git a/sample-operators/mysql-schema/pom.xml b/sample-operators/mysql-schema/pom.xml
index 7dba03f3d9..61f0abf4d7 100644
--- a/sample-operators/mysql-schema/pom.xml
+++ b/sample-operators/mysql-schema/pom.xml
@@ -108,7 +108,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.11.0</version>
+                <version>3.12.1</version>
             </plugin>
         </plugins>
     </build>
diff --git a/sample-operators/tomcat-operator/pom.xml b/sample-operators/tomcat-operator/pom.xml
index 89e243ba0a..05fcfbbabf 100644
--- a/sample-operators/tomcat-operator/pom.xml
+++ b/sample-operators/tomcat-operator/pom.xml
@@ -110,7 +110,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.11.0</version>
+                <version>3.12.1</version>
             </plugin>
         </plugins>
     </build>
diff --git a/sample-operators/webpage/pom.xml b/sample-operators/webpage/pom.xml
index e0becee1a5..2aae0570cb 100644
--- a/sample-operators/webpage/pom.xml
+++ b/sample-operators/webpage/pom.xml
@@ -81,7 +81,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.11.0</version>
+                <version>3.12.1</version>
             </plugin>
         </plugins>
     </build>